In this paper, a classic meander line is investigated for a single band operation with wider bandwidth. The proposed mpsa was designed by etching the mls along the radiating edge of the patch antenna, and it enhanced the relative permittivity sensitivity with an additional effect of miniaturization in the patch size by increasing the slot. A seriesfed microstrip patch array with interconnecting crlh transmission lines for wlan. This includes the number of meander slot existed in particular antenna. A folded quarterwave patch antenna which includes a conductor plate having first and second arms spaced apart. A compact cpw fed uwb antenna with quad band notch. Design and analysis of meander microstrip antenna at.
If feeding with standard 50ohm sma connectors, the input impedance of the patch should be. The radiation pattern of the meander line antenna was shown in fig. Mutual coupling reduction between closely placed microstrip patch antenna using meander line resonator jeet ghosh1, sandip ghosal2, debasis mitra1, and sekhar ranjan bhadra chaudhuri1 abstractan approach of reducing mutual coupling between two patch antennas is proposed in. Circular shaped microstrip meander line patch antenna design by. A design of compact meander line tag antenna having inductive coupling feed is presented for rfid system operating at ultra high frequency band of 865867 mhz. With the desire for slightly more distance communication came devices such as drums then visual methods such as signal flags and smoke signals were used. This paper provides a detailed study of how to design and fabricate a probefed microstrip patch antenna and feed point location using ie3d software and study the effect of antenna dimensions length l, and substrate parameters relative dielectric constant. The cload is applied to the feed line to match the impedance. The design of meander line elements of the meander line antenna is shown in fig. Antennas are essential wherever wireless communication required. A microstrip patch antenna has been used to investigate. The ground plane is electrically connected to the first arm at one end. The implementation of a slotted meander line resonator smlr is done by creating defect in the microstrip structure particularly designed for bandnotch function.
Modern uwb antennas and equipment where cc and cd are expressed in terms of line width w, substrate thickness d, and relative permittivity. Most meander line antennas ive seen are at microwave frequencies and use fairly fat conductors. The geometry of the proposed antenna with microstrip feed line is shown in the. Design and comparative study of meander antenna and microstrip. The various contributions of researchers and scientists on microstrip line feeding are reported such as, analysis and design of annular patch antenna with electromagnetically coupled microstrip feed line, crescentshaped multiband planar monopole antenna for mobile wireless applications, microstrip antenna array formed by microstrip line fed. A cornertruncated patch is introduced as a nearfield resonant parasitic element directly beneath a specially engineered radiation patch. Design of meander line antenna for operating frequency of. The idea is to fold the antenna element back and forth to make the overall antenna shorter. Meander lines mls in two configurations are presented to reduce the mutual coupling mc between two microstrip patch antenna elements. Antenna type applications and interest efficiency sensitivity to detuning dipole large wire antenna. An electrically small microstrip meander antenna incorpo. Design of rectangular patch antenna using microstrip line.
Design and analysis of the multiband microstrip meander patch. The meander line antenna was proposed by rasheed and tai for reducing the resonant length4. The first resonance of meander dipole antenna is at 200 mhz. A new approach to enhance the isolation in microstrip patch antenna arrays is described in this letter. Hello hanaf meander line antennas are normally lambda2 or lambda4 antennas. The antenna has shown significantly size reduction in comparison to a conventional microstrip patch antennas. Thus the element and feed line, and usually other elements, power dividers, etc. Microstrip antenna an overview sciencedirect topics. One standard meanderline antenna and other two nonstandard meander antennas have been studied. A seriesfed microstrip patch array with interconnecting.
Implementation of slotted meanderline resonators for. A seriesfed microstrip patch array with interconnecting crlh transmission lines for wlan applications bilal ijaz, sayan roy, muhammad mubeen masud, adnan iftikhar, sanjay nariyal. A signal unit is electrically coupled to the first arm. One can see the current is concentrated at each of the. Design and analysis of a meander line cornered microstrip patch. The meander line has n fingers with both finger gap and width is gm and wm, respectively. Analysis of microstrip line fed patch antenna for wireless. Research article mutual coupling reduction between patch antennas using meander line qian li,1 chong ding,1 ruichao yang,1 mingtao tan,2 gangxiong wu,1 xia lei,1 xuebing jiang,1 shuanzhu fang,1 minzhi huang,1 yubin gong,1 and yanyu wei1 1school of electronic science and engineering, university of electronic science and technology of china, chengdu 610054, china. The resonator is designed to block the surface current at the resonant frequency of the two patch antennas coupled along hplane and operating at a frequency of 4. Parasitic element also could affect the result of meander line antenna as in 7. Mutual coupling reduction between patch antennas using. In this antenna the feed is connected to an intermediate point along the length of the antenna instead of to the base. The lowerpatch was fed using a coaxial probe feed, and the top patch was.
Design of microstrip patch antenna and feed point location using ie3d simulator communication between humans was first by sound through voice. A bandwidthenhanced, compact, singlefeed, lowprofile. Abstract circular shaped microstrip meander line patch antenna design by cutting slits on the patch surface is discussed here. Typically a seriesfed array consists of a single feed point and the radiating elements are connected in series with a feed network which consists of transmission lines that are a particular factor of wavelength of the operating signal. Design and analysis of the multiband microstrip meander. The meander antenna is sited on top of a standard sma type connector considered as the antenna ground plane and is fed through the coaxial core of the connector.
A highsensitivity microstrip patch sensor antenna mpsa loaded with a meander line slot mls is proposed for the measurement of relative permittivity. In this paper, feeding line with 50 ohm feed has been used. A meander line loaded antenna provides a wide instantaneous bandwidth with a first planar conductor extending orthogonally from a ground plane, a second planar conductor substantially parallel to the ground plane and separated from the first planar conductor by a gap, a meander line interconnecting the first and second planar conductors across the gap, and a third conductor connecting the. Inserting a slot in the ground plane between the antenna elements is a simple method to reduce the mc, while adding the. Microstrip line feedingedge feeding substrate material. First, the patch of phmas antenna 1 is rotated by 60 to create a vertexfed connection between the feed line and the radiation patch. For the basic design of the proposed aperturecoupled antenna, the. Patch antenna loaded with meander line and partially. In rst stage, normal circular microstrip patch antenna is designed for the resonant frequency 0. The antenna geometry can be approximated to a backtoback triangular shaped patch structure that is excited through a common feed line with a meander line tshape divider.
In order to meet the demand of developing communication equipment the research of antennas focuses on some particular aspect, for instance, how to reduce the size of antennas while maintaining. This class of antennas provides the largest size reduction at a. Meanderline slotloaded highsensitivity microstrip patch. The ieee article shows an antenna that is small in terms of wavelength, but has lots of parallel wires closely spaced. Increasing the bandwidth of microstrip patch antenna by. Antennainpackage system integrated with meander line.
A microstrip meander line reconfigurable antenna for. Three types of feed structure can be implemented in proposed antenna, feed coplanar waveguide, inset feed, cpw and microstrip feed. Size reduction and bandwidth enhancement of aperture. Therefore, in our work, we make a study on the meanderline antenna. The discretised model of such a scheme is shown in figure 8 b. What is meander line antenna meander line patch antenna youtube. Meander line antenna is a type of the microstrip antennas. Design of meandered pifa antenna for wireless application. Pdf design and simulation of meander line antenna for. I would like to remind you that in feeding a patch antenna, the location of the feed point determines the patchs input impedance at the resonance frequency.
What is meander line antenna meander line patch antenna. The first is a simple coaxial antenna thats just cut to the appropriate length for the relevant wave. Design of microstrip patch antenna and feed point location. The invertedf antenna is an evolution of the basic quarterwave monopole antenna. Meandering the patch increases the patch over which the surface current flows. Pdf design and analysis of a meander line cornered microstrip. The resonator is designed to block the surface current at the resonant frequency of the two patch antennas coupled along hplane. The most widely used printedcircuit antenna is the microstrip patch, which in its simplest form is a rectangular or circular patch of metal fed by the microstrip upper conductor. A microstrip patch antenna can be fed either by coaxial probe or by an inset microstrip line. The antenna is center fed and it is symmetric about its origin. Section i provides the overview of microstrip meander line reconfigurable. They are the indispensable link between the contained signal and the ether. The antenna consists of a meander line which acts as a capacitively loaded patch with complementary split ring resonators csrrs cell etched on the ground plane. In the case of the meander line antenna, the problem appears to be purely geometric.
Meanderline antenna is a truly transformation of monopole antenna. Coaxial probe feeding is sometimes advantageous for applications like active antennas, while microstrip line feeding is suitable for developing highgain microstrip array antennas. Recently, a meander line slot mls has been applied to microstrip patch antennas for miniaturization and multiband operation. The proposed structure consist of rectangular meander line on radiating patch which reduce the size and improve the characteristics of antenna as compared to conventional pifa. A ground plane is separated from the conductor plate by a dielectric substrate and is approximately parallel to the conductor plate. By using the patch antenna the return loss, gain, directivity. Development of compact inductive coupled meander line rfid.
To decrease electromagnetic coupling, a via hole structure is designed and analyzed. A microstrip feed line is used to reduce the interaction between patch and package. The operation of classic meander line is changed by two p i n diodes which helps antenna to resonate at different frequencies. A triangular patch antenna for uhf band with microstrip. Pdf design of meander slotted patch antenna for wireless. The resonant frequencies, bandwidth, and gain characteristics of a microstrip patch antenna were compared when single and dual mlss were loaded in various locations in the patch.
A triangular patch antenna for uhf band with microstrip feed line for rfid applications twinkle kundu1 and davinder parkash2 1m. The dipolemeander class creates a meander dipole antenna with four dipoles. Investigation of dual meander slot to microstrip patch antenna. For the purpose of reducing the size of the transponder, a meander line antenna is an attractive choice. The truncated groundplane includes a central stub located underneath the feed line. Differentfeed and differentlength antennas are tested. The proposed system employs a meander line patch antenna, a packaging layer, and a laminated multichip module mcm for integration of integrated circuit ic bare chips. A bandwidthenhanced, compact, single feed, lowprofile, multilayered, circularly polarized cp patch antenna is presented.
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